package com.itheima.collection.collectiondemo;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;

/**
 * @author Anomaly
 * @date 2022/12/31 19:59
 */
public class CollectionDemo {
    public static void main(String[] args) {
        Collection<String> collection1 = new ArrayList<>();
        Collection<String> collection2 = new HashSet<>();
    }
}
